81012390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{457}}^1$

素因数の和:797

約数の個数: 64

約数和(自身を含む): 205770240

約数和(自身を除く): 124757850

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 311, 457, 570, 622, 914, 933, 1371, 1555, 1866, 2285, 2742, 3110, 4570, 4665, 5909, 6855, 8683, 9330, 11818, 13710, 17366, 17727, 26049, 29545, 35454, 43415, 52098, 59090, 86830, 88635, 130245, 142127, 177270, 260490, 284254, 426381, 710635, 852762, 1421270, 2131905, 2700413, 4263810, 5400826, 8101239, 13502065, 16202478, 27004130, 40506195, 81012390]

約数ペア:

[(1, 81012390), (2, 40506195), (3, 27004130), (5, 16202478), (6, 13502065), (10, 8101239), (15, 5400826), (19, 4263810), (30, 2700413), (38, 2131905), (57, 1421270), (95, 852762), (114, 710635), (190, 426381), (285, 284254), (311, 260490), (457, 177270), (570, 142127), (622, 130245), (914, 88635), (933, 86830), (1371, 59090), (1555, 52098), (1866, 43415), (2285, 35454), (2742, 29545), (3110, 26049), (4570, 17727), (4665, 17366), (5909, 13710), (6855, 11818), (8683, 9330)]